Android 应用程序集成FaceBook 登录及二次封装

1、首先在Facebook 开发者平台注册一个账号

https://developers.facebook.com/

开发者后台 https://developers.facebook.com/apps

2、创建账号并且获得 APP ID

图一

图二

图三

图四

图五

3、获取app签名的Key Hashes 值（两种方式）

3.1方法1：

 1 package com.pegasus.map.presentation.utils;
 2 import android.content.Context;
 3 import android.content.pm.PackageInfo;
 4 import android.content.pm.PackageManager;
 5 import android.content.pm.Signature;
 6 import android.util.Base64;
 7 import android.widget.Toast;
 8 import java.security.MessageDigest;
 9 import java.security.NoSuchAlgorithmException;
10 
11 /**
12  * Created by ${zyj} on 2016/3/29.
13  */
14 public class KeyHash {
15 
16     /**
17      * 注意运行的时候，app需要正式的签名
18      * @param context
19      * @param packageName  app的包名
20      */
21     public static void getKeyHash( Context context , String packageName ){
22         try {
23             PackageInfo info = null;
24             info = context.getPackageManager().getPackageInfo( packageName , PackageManager.GET_SIGNATURES );
25             for ( Signature signature : info.signatures ) {
26                 MessageDigest messageDigest = null;
27                 messageDigest = MessageDigest.getInstance("SHA");
28                 messageDigest.update(signature.toByteArray());
29                 String hs = Base64.encodeToString(messageDigest.digest(), Base64.DEFAULT) ;
30                 Toast.makeText(context, "" + hs , Toast.LENGTH_SHORT).show();
31             }
32         } catch (PackageManager.NameNotFoundException e) {
33             e.printStackTrace();
34         } catch (NoSuchAlgorithmException e) {
35             e.printStackTrace();
36         }
37     }
38 }

3.2 命令行的方式获取 Key hash 值

3.2.1 ：首选保证你的电脑上有 openSSl 的库文件

下载 http://gnuwin32.sourceforge.net/packages/openssl.htm

3.2.2 ：解压下载的文件

3.2.3：cmd 命令行模式定位到 openssl 的 bin目录下

3.2.4：执行命令

keytool -exportcert -alias yiba -keystore C:\work\Key.jks | openssl sha1 -binary | openssl base64

注意： 1、这里的 yiba 代表app签名的别名，也就是 alias

2、C:\work\Key.jks 代表签名的路径，需要换成你签名的路径

3.2.5 如果你的电脑上没有下载 openssl 那么你执行下面的代码会出现

4、设置应用的基本配置

图一

图二

图三

5、App开始集成 FacebookSDk

5.1 在项目的 build.gradle 添加

compile 'com.facebook.android:facebook-android-sdk:4.10.1'

查看最新的版本： http://search.maven.org/#search%7Cga%7C1%7Ccom.facebook.android

5.2 在应用的 Application 里面初始化SDK

//facebook登录初始化

      FacebookSdk.sdkInitialize( getApplicationContext() );

5.3 在value文件夹下 strings.xml 中

      <string name="facebook_app_id">1001702146573854</string>

5.4 在 AndroidManifest.xml 中

<meta-dataandroid:name="com.facebook.sdk.ApplicationId"android:value="@string/facebook_app_id"/>

<activity
    android:name="com.facebook.FacebookActivity"
    android:configChanges="keyboard|keyboardHidden|screenLayout|screenSize|orientation"
    android:theme="@android:style/Theme.Translucent.NoTitleBar"
    android:label="@string/app_name"
    >
</activity>

5.5 在布局文件中定义登录按钮

 <com.facebook.login.widget.LoginButtonandroid:id="@+id/facebook_bt"android:layout_width="match_parent"android:layout_height="wrap_content"android:text="facebook login"></com.facebook.login.widget.LoginButton>

5.6 在代码中实现

 1 package com.pegasus.map.presentation.ui.activity;
 2 import android.content.Intent;
 3 import android.os.Bundle;
 4 import android.widget.Toast;
 5 import com.facebook.CallbackManager;
 6 import com.facebook.FacebookCallback;
 7 import com.facebook.FacebookException;
 8 import com.facebook.login.LoginResult;
 9 import com.facebook.login.widget.LoginButton;
10 import com.pegasus.map.R;
11 import com.pegasus.map.presentation.ui.base.BaseActivity;
12 import butterknife.Bind;
13 import butterknife.ButterKnife;
14 
15 
16 /**
17  * Created by ${zyj} on 2016/3/24.
18  * 登录
19  */
20 
21 public class LoginLoginActivity extends BaseActivity {
22     
23     @Bind(R.id.facebook_bt)
24     public LoginButton facebook_bt;
25     
26     private CallbackManager callbackManager ;
27     
28     @Override
29     protected void onCreate(Bundle savedInstanceState) {
30         super.onCreate(savedInstanceState);
31         setContentView(R.layout.activity_login);
32 
33         ButterKnife.bind(this);
34         callbackManager = CallbackManager.Factory.create() ;
35         
36         init();
37     }
38 
39     private void init() {
40         
41         facebook_bt.registerCallback(callbackManager, new FacebookCallback<LoginResult>() {
42             @Override
43             public void onSuccess(LoginResult loginResult) {
44                 Toast.makeText(LoginLoginActivity.this, "facebook登录成功了", Toast.LENGTH_SHORT).show();
45                 log("facebook登录成功了" + loginResult.getAccessToken());
                   //获取登录信息
                   getLoginInfo( loginResult.getAccessToken() ) ;
46             }
47 
48             @Override
49             public void onCancel() {
50                 Toast.makeText(LoginLoginActivity.this, "facebook登录取消了", Toast.LENGTH_SHORT).show();
51                 log("facebook登录取消了");
52             }
53 
54             @Override
55             public void onError(FacebookException error) {
56                 Toast.makeText(LoginLoginActivity.this, "facebook登录失败了", Toast.LENGTH_SHORT).show();
57                 log("facebook登录失败了");
58             }
59         });
60         
61     }
62     
63     @Override
64     protected void onActivityResult(int requestCode, int resultCode, Intent data) {
65         super.onActivityResult(requestCode, resultCode, data);
66 
67         //facebook回调
68         callbackManager.onActivityResult( requestCode , resultCode ,data ) ;
69     }
70 }

 1 /**
 2      * 获取登录信息
 3      * @param accessToken
 4      */
 5     public void getLoginInfo( AccessToken accessToken ){
 6         GraphRequest request = GraphRequest.newMeRequest(accessToken, new GraphRequest.GraphJSONObjectCallback() {
 7             @Override
 8             public void onCompleted(JSONObject object, GraphResponse response) {
 9                 if (object != null) {
10                     String id = object.optString( "id" ) ;   //比如:1565455221565
11                     String name = object.optString( "name" ) ;  //比如：Zhang San
12                     String gender = object.optString("gender") ;  //性别：比如 male （男）  female （女）
13                     String emali = object.optString("email") ;  //邮箱：比如：56236545@qq.com
14 
15                     //获取用户头像
16                     JSONObject object_pic = object.optJSONObject( "picture" ) ;
17                     JSONObject object_data = object_pic.optJSONObject( "data" ) ;
18                     String photo = object_data.optString( "url" )  ;
19 
20                     //获取地域信息
21                     String locale = object.optString( "locale" ) ;   //zh_CN 代表中文简体
22 
23                     Toast.makeText( activity , "" + object.toString() , Toast.LENGTH_SHORT).show();
24                 }
25             }
26         }) ;
27 
28         Bundle parameters = new Bundle();
29         parameters.putString("fields", "id,name,link,gender,birthday,email,picture,locale,updated_time,timezone,age_range,first_name,last_name");
30         request.setParameters(parameters);
31         request.executeAsync() ;
32     }

5.7 企业账号需要注意的事项，把发布按钮打开

6、对facebookSDk 进行二次封装

  1 package com.pegasus.map.presentation.utils;
  2 
  3 import android.app.Activity;
  4 import android.content.DialogInterface;
  5 import android.os.Bundle;
  6 import android.support.v7.app.AlertDialog;
  7 import android.widget.Toast;
  8 
  9 import com.facebook.AccessToken;
 10 import com.facebook.CallbackManager;
 11 import com.facebook.FacebookCallback;
 12 import com.facebook.FacebookException;
 13 import com.facebook.GraphRequest;
 14 import com.facebook.GraphResponse;
 15 import com.facebook.Profile;
 16 import com.facebook.login.LoginManager;
 17 import com.facebook.login.LoginResult;
 18 
 19 import org.json.JSONObject;
 20 
 21 import java.util.Arrays;
 22 import java.util.Collections;
 23 import java.util.List;
 24 
 25 /**
 26  * Created by ${zyj} on 2016/3/30.
 27  */
 28 public class FaceBookLogin {
 29 
 30     private Activity activity ;
 31     private CallbackManager callbackManager ;
 32     private FacebookListener facebookListener ;
 33     private List<String> permissions = Collections.<String>emptyList();
 34     private LoginManager loginManager;
 35 
 36     public FaceBookLogin( Activity activity ){
 37         this.activity = activity ;
 38 
 39         //初始化facebook登录服务
 40         callbackManager = CallbackManager.Factory.create() ;
 41         getLoginManager().registerCallback(callbackManager, new FacebookCallback<LoginResult>() {
 42             @Override
 43             public void onSuccess(LoginResult loginResult) {
 44                 // login success
 45                 AccessToken accessToken = loginResult.getAccessToken();
 46                 getLoginInfo(accessToken);
 47             }
 48 
 49             @Override
 50             public void onCancel() {
 51                 //取消登录
 52             }
 53 
 54             @Override
 55             public void onError(FacebookException error) {
 56                 //登录出错
 57             }
 58         });
 59 
 60         permissions = Arrays
 61                 .asList("email", "user_likes", "user_status", "user_photos", "user_birthday", "public_profile", "user_friends") ;
 62     }
 63 
 64     /**
 65      * 登录
 66      */
 67     public void login(){
 68         getLoginManager().logInWithReadPermissions(
 69                 activity, permissions);
 70     }
 71 
 72     /**
 73      * 退出
 74      */
 75     public void logout(){
 76         String logout = activity.getResources().getString(
 77                 com.facebook.R.string.com_facebook_loginview_log_out_action);
 78         String cancel = activity.getResources().getString(
 79                 com.facebook.R.string.com_facebook_loginview_cancel_action);
 80         String message;
 81         Profile profile = Profile.getCurrentProfile();
 82         if (profile != null && profile.getName() != null) {
 83             message = String.format(
 84                     activity.getResources().getString(
 85                             com.facebook.R.string.com_facebook_loginview_logged_in_as),
 86                     profile.getName());
 87         } else {
 88             message = activity.getResources().getString(
 89                     com.facebook.R.string.com_facebook_loginview_logged_in_using_facebook);
 90         }
 91         AlertDialog.Builder builder = new AlertDialog.Builder(activity);
 92         builder.setMessage(message)
 93                 .setCancelable(true)
 94                 .setPositiveButton(logout, new DialogInterface.OnClickListener() {
 95                     public void onClick(DialogInterface dialog, int which) {
 96                         getLoginManager().logOut();
 97                     }
 98                 })
 99                 .setNegativeButton(cancel, null);
100         builder.create().show();
101     }
102 
103     /**
104      * 获取登录信息
105      * @param accessToken
106      */
107     public void getLoginInfo( AccessToken accessToken ){
108         GraphRequest request = GraphRequest.newMeRequest(accessToken, new GraphRequest.GraphJSONObjectCallback() {
109             @Override
110             public void onCompleted(JSONObject object, GraphResponse response) {
111                 if (object != null) {
112                     String id = object.optString("id");   //比如:1565455221565
113                     String name = object.optString("name");  //比如：Zhang San
114                     String gender = object.optString("gender");  //性别：比如 male （男）  female （女）
115                     String emali = object.optString("email");  //邮箱：比如：56236545@qq.com
116 
117                     //获取用户头像
118                     JSONObject object_pic = object.optJSONObject("picture");
119                     JSONObject object_data = object_pic.optJSONObject("data");
120                     String photo = object_data.optString("url");
121 
122                     //获取地域信息
123                     String locale = object.optString("locale");   //zh_CN 代表中文简体
124 
125                     Toast.makeText(activity, "" + object.toString(), Toast.LENGTH_SHORT).show();
126                 }
127             }
128         }) ;
129 
130         Bundle parameters = new Bundle();
131         parameters.putString("fields", "id,name,link,gender,birthday,email,picture,locale,updated_time,timezone,age_range,first_name,last_name");
132         request.setParameters(parameters);
133         request.executeAsync() ;
134     }
135 
136     /**
137      * 获取loginMananger
138      * @return
139      */
140     private LoginManager getLoginManager() {
141         if (loginManager == null) {
142             loginManager = LoginManager.getInstance();
143         }
144         return loginManager;
145     }
146 
147     public CallbackManager getCallbackManager(){
148         return callbackManager ;
149     }
150 
151     /**
152      * 设置登录简体器
153      * @param facebookListener
154      */
155     public void setFacebookListener( FacebookListener facebookListener ){
156         this.facebookListener =facebookListener ;
157     }
158 
159     public interface FacebookListener {
160         void facebookLoginSuccess();
161         void facebookLoginFail() ;
162     }
163 
164 
165 }

在 activity 使用

1      //初始化Facebook登录服务
2      FaceBookLogin  faceBookLogin = new FaceBookLogin( this ) ;
3         
4      //登录
5      faceBookLogin.login();
6         
7      //退出
8      faceBookLogin.logout();

1 @Override
2     protected void onActivityResult(int requestCode, int resultCode, Intent data) {
3         super.onActivityResult(requestCode, resultCode, data);
4 
5         //facebook回调
6         faceBookLogin.getCallbackManager().onActivityResult(requestCode, resultCode, data);
7 
8     }